Finding the Fourth Proportional to 1,921,020.68, 2,651,159.35 and 1,094,129.35
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Solution
The fourth proportional to 1,921,020.68, 2,651,159.35 and 1,094,129.35 is: 1,509,984.40
Step by Step Solution
- Step 1: Write the proportion equation
1,921,020.68 : 2,651,159.35 = 1,094,129.35 : x - Step 2: Convert to fraction form
1,921,020.68/2,651,159.35 = 1,094,129.35/x - Step 3: Cross multiply
1,921,020.68x = 2,651,159.35 × 1,094,129.35 - Step 4: Simplify right side
1,921,020.68x = 2,900,711,250,891.28 - Step 5: Solve for x
x = 2,900,711,250,891.28/1,921,020.68 - Step 6: Final answer
x = 1,509,984.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.